Gaya APA

B.I., D, S, R, M, &, D, N, N, M. (2025). Fluent in Speaking English Just in 10 Days . Yogyakarta: Pustaka Referensi.

Gaya MLA

B.I., Drs., Slamet, Riyanto,, M.Pd, &, Dra., Nina, Noegraheni,, M.Pd.. "Fluent in Speaking English Just in 10 Days". Yogyakarta: Pustaka Referensi, 2025. Text.